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Proceedings Paper

Monte Carlo simulation of laser beam scattering by water droplets
Author(s): Biao Wang; Guang-de Tong; Jia-xuan Lin
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Paper Abstract

Monte Carlo simulation of laser beam scattering in discrete water droplets is present and the temporal profile of LIDAR signal scattered from random distributed water droplets such as raindrop and fog is acquired. A photon source model is developed in the simulation for laser beam of arbitrary intensity distribution. Mie theory and geometrical optics approximation is used to calculate optical parameters, such as scattering coefficient, Aledo and average asymmetry factor, for water droplets of variable size with gamma distribution. The scattering angle is calculated using the probability distribution given by Henyey-Greenstein phase function. The model solving semi-infinite homogeneous media problem is capable of handling a variety of geometries and arbitrary spatio-temporal pulse profiles.

Paper Details

Date Published: 19 September 2013
PDF: 8 pages
Proc. SPIE 8905, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Sensing and Imaging and Applications, 89052P (19 September 2013); doi: 10.1117/12.2035033
Show Author Affiliations
Biao Wang, Science and Technology on Electromagnetic Scattering Lab. (China)
Guang-de Tong, Science and Technology on Electromagnetic Scattering Lab. (China)
Jia-xuan Lin, Science and Technology on Electromagnetic Scattering Lab. (China)


Published in SPIE Proceedings Vol. 8905:
International Symposium on Photoelectronic Detection and Imaging 2013: Laser Sensing and Imaging and Applications
Farzin Amzajerdian; Astrid Aksnes; Weibiao Chen; Chunqing Gao; Yongchao Zheng; Cheng Wang, Editor(s)

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